Anaerobic Work Capacity%26apos;s Contribution to 5-km-Race Performance in Female Runners

作者：Baumann Cory W^*; Rupp Jeffrey C; Ingalls Christopher P; Doyle J Andrew

来源：International Journal of Sports Physiology and Performance, 2012, 7(2): 170-174.

DOI：10.1123/ijspp.7.2.170

• running success
• sports physiology
• maximal oxygen uptake
• training

Purpose: The purpose of this study was to examine the relationship between anaerobic characteristics and 5-km-race performance in trained female cross-country runners (N = 13). Methods: The runners performed 50-m sprints and a 5-km time trial on an outdoor 400-m track and maximal anaerobic (MART) and aerobic running tests on a motorized treadmill. Anaerobic characteristics were determined by the mean velocity of the 50-m sprint (nu(50m)) and the peak velocity in the MART (nu(MART)). The aerobic characteristics were obtained during the aerobic treadmill test and included maximal oxygen uptake (VO2max), running economy, and ventilatory threshold (VT). Results: Both the nu(MART) (r = .69, P %26lt; .01) and VO2max (r = .80, P %26lt; .01) correlated with the mean velocity of the 5-km (nu(5km)). A multiple-linear-regression analysis revealed that the combination of VO2max, nu(MART), and VT explained 81% (R-2 = .81, P %26lt; .001) of the variation seen in the nu(5km). The nu(MART) accounted for 31% of the total shared variance, while the combination of VO2max and VT explained the remaining 50%. Conclusions: These results suggest that among trained female runners who are relatively matched, anaerobic energy production can effectively discriminate the nu(5km) and explain a significant amount of the variation seen in 5-km-race performance.

• 出版日期2012-6